IOC extends doping sanctions on Russia as Richard McLaren's report looms

• Damning verdict expected after 'fundamental attack' on sport's integrity• Yelena Isinbayeva is shock choice to take over Russia's anti-doping unit The International Olympic Committee has extended the sanctions it imposed on Russia in the summer until further notice as the sporting world waits for the publication of a landmark report into the country's recent doping history on Friday. The IOC announcement was made on the same day it emerged that Yelena Isinbayeva, the Russian double Olympic...